Disc Brake Component Specifications. GMC Truck GMC C Sierra

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2006 🢒 GMC C Sierra - 2WD 🢒 Brakes 🢒 Disc Brakes 🢒 Disc Brake Component Specifications

Application	Specification
Application	Metric	English
Front Brakes (RPO JC4)
Rotor Discard Thickness *	27.50 mm	1.082 in
Rotor Minimum Allowable Thickness After Refinish	28.0 mm	1.10 in
Rotor Thickness (new)	29.0 mm	1.14 in
Rotor Maximum Allowable Lateral Runout	0.13 mm	0.005 in
Rotor Maximum Allowable Scoring	1.50 mm	0.059 in
Rotor Maximum Allowable Thickness Variation	0.025 mm	0.001 in
Front Brakes (RPO's JF3/JF7)
Rotor Discard Thickness *	27.50 mm	1.082 in
Rotor Minimum Allowable Thickness After Refinish	28.0 mm	1.10 in
Rotor Thickness (new)	30.0 mm	1.181 in
Rotor Maximum Allowable Lateral Runout	0.05 mm	0.002 in
Rotor Maximum Allowable Scoring	1.50 mm	0.059 in
Rotor Maximum Allowable Thickness Variation	0.025 mm	0.001 in
Front Brakes (RPO JH1)
Rotor Discard Thickness *	27.50 mm	1.082 in
Rotor Minimum Allowable Thickness After Refinish	28.0 mm	1.10 in
Rotor Thickness (new)	29.0 mm	1.14 in
Rotor Maximum Allowable Lateral Runout	0.13 mm	0.005 in
Rotor Maximum Allowable Scoring	1.50 mm	0.059 in
Rotor Maximum Allowable Thickness Variation	0.025 mm	0.001 in
Front Brakes (RPO JH6)
Rotor Discard Thickness *	36.50 mm	1.437 in
Rotor Minimum Allowable Thickness After Refinish	37.0 mm	1.46 in
Rotor Thickness (new)	38.0 mm	1.50 in
Rotor Maximum Allowable Lateral Runout	0.13 mm	0.005 in
Rotor Maximum Allowable Scoring	1.50 mm	0.059 in
Rotor Maximum Allowable Thickness Variation	0.025 mm	0.001 in
Front Brakes (RPO JH7)
Rotor Discard Thickness *	36.50 mm	1.437 in
Rotor Minimum Allowable Thickness After Refinish	37.0 mm	1.46 in
Rotor Thickness (new)	38.0 mm	1.50 in
Rotor Maximum Allowable Lateral Runout	0.13 mm	0.005 in
Rotor Maximum Allowable Scoring	1.50 mm	0.059 in
Rotor Maximum Allowable Thickness Variation	0.025 mm	0.001 in
Rear Brakes (RPO JC4)
Rotor Discard Thickness *	28.50 mm	1.122 in
Rotor Minimum Allowable Thickness After Refinish	29.0 mm	1.142 in
Rotor Thickness (new)	30.0 mm	1.181 in
Rotor Maximum Allowable Lateral Runout	0.13 mm	0.005 in
Rotor Maximum Allowable Scoring	1.50 mm	0.059 in
Rotor Maximum Allowable Thickness Variation	0.025 mm	0.001 in
Rear Brakes (RPO JH1)
Rotor Discard Thickness *	18.50 mm	0.728 in
Rotor Minimum Allowable Thickness After Refinish	19.0 mm	0.748 in
Rotor Thickness (new)	20.0 mm	0.787 in
Rotor Maximum Allowable Lateral Runout	0.13 mm	0.005 in
Rotor Maximum Allowable Scoring	1.50 mm	0.059 in
Rotor Maximum Allowable Thickness Variation	0.025 mm	0.001 in
Rear Brakes (RPO JH6)
Rotor Discard Thickness *	27.50 mm	1.082 in
Rotor Minimum Allowable Thickness After Refinish	28.0 mm	1.102 in
Rotor Thickness (new)	29.0 mm	1.141 in
Rotor Maximum Allowable Lateral Runout	0.13 mm	0.005 in
Rotor Maximum Allowable Scoring	1.50 mm	0.059 in
Rotor Maximum Allowable Thickness Variation	0.025 mm	0.001 in
Rear Brakes (RPO JH7)
Rotor Discard Thickness *	28.5 mm	1.122 in
Rotor Minimum Allowable Thickness After Refinish	29.0 mm	1.142 in
Rotor Thickness (new)	30.0 mm	1.181 in
Rotor Maximum Allowable Lateral Runout	0.13 mm	0.005 in
Rotor Maximum Allowable Scoring	1.50 mm	0.059 in
Rotor Maximum Allowable Thickness Variation	0.025 mm	0.001 in
* All brake rotors have a discard dimension cast into them. Replace any rotor that does not meet this specification. After refinishing the rotor, replace any rotor that does not meet the minimum thickness specifications.